Does the Multiswitch have the latest firmware, have you flashed that yet? Also how are you connecting the multiswitch to the aquaero. What jumper do you have the multiswitch location jumper set too?
I have not yet tried my multiswitch with the aquaero as I am still building that PC. I will have that completed in the next few weeks so I will have more experience with it, so maybe able to help further later.
I think that first you should make sure all the firmwares are upto date.
As far as I'm aware the firmware is 1.41. I haven't flashed the mulitswitch from its original, and don't believe there is a update firmware available??? The aquaero has been flashed to the latest bios (4.10a?).
At the moment I don't have any jumpers set. I have tried setting the channel number 1, Jumper 1?, This doesn't seem to change the result, apart from when the relay randomly switches and the leds flash, aquasuite temporarily shows the multiswitch 2 connected instead of multiswitch 1.
If you could come back with your results when you get to it that would be great thanks.
Does the multiswitch sound faulty?